Year | Value | 2022 | 10,638,839 | 2021 | 10,625,461 | 2020 | 10,623,564 | 2019 | 10,606,144 | 2018 | 10,602,004 | 2017 | 10,636,959 | 2016 | 10,746,332 | 2015 | 10,880,392 | 2014 | 11,018,097 | 2013 | 11,144,996 | 2012 | 11,248,142 | 2011 | 11,331,576 | 2010 | 11,443,846 | 2009 | 11,534,788 | 2008 | 11,634,066 | 2007 | 11,718,018 | 2006 | 11,854,563 | 2005 | 12,028,936 | 2004 | 12,190,089 | 2003 | 12,347,046 | 2002 | 12,491,050 | 2001 | 12,632,030 | 2000 | 12,792,619 | 1999 | 12,950,586 | 1998 | 13,070,258 | 1997 | 13,107,324 | 1996 | 13,050,997 | 1995 | 12,922,544 | 1994 | 12,726,042 | 1993 | 12,482,019 | 1992 | 12,243,189 | 1991 | 12,002,216 | 1990 | 11,751,599 | 1989 | 11,534,210 | 1988 | 11,342,761 | 1987 | 11,192,809 | 1986 | 11,077,215 | 1985 | 11,014,562 | 1984 | 11,013,799 | 1983 | 11,052,993 | 1982 | 11,082,776 | 1981 | 11,027,306 | 1980 | 10,748,020 | 1979 | 10,370,179 | 1978 | 10,060,817 | 1977 | 9,736,397 | 1976 | 9,505,882 | 1975 | 9,592,344 | 1974 | 9,798,226 | 1973 | 9,888,939 | 1972 | 9,973,394 | 1971 | 10,040,191 | 1970 | 10,005,714 | 1969 | 9,909,764 | 1968 | 9,780,192 | 1967 | 9,667,986 | 1966 | 9,603,554 | 1965 | 9,579,492 | 1964 | 9,569,242 | 1963 | 9,583,380 | 1962 | 9,597,171 | 1961 | 9,539,784 | 1960 | 9,412,778 |
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